[PATCH] D51382: [MinGW] Don't mark external variables as DSO local

[Martin Storsjö via Phabricator via cfe-commits]

mstorsjo created this revision.
mstorsjo added reviewers: rnk, pcc.

Since MinGW supports automatically importing external variables from DLLs even without the DLLImport attribute, we shouldn't mark them as DSO local unless we actually know them to be local for sure.

Keep marking thread local variables as DSO local.


Repository:
  rC Clang

https://reviews.llvm.org/D51382

Files:
  lib/CodeGen/CodeGenModule.cpp
  test/CodeGen/dllimport.c
  test/CodeGen/dso-local-executable.c
  test/CodeGenCXX/dllexport.cpp
  test/CodeGenCXX/dllimport-members.cpp
  test/CodeGenCXX/dllimport.cpp

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